LA31

ICD-11 MMS 2026-01

Structural developmental anomalies of mouth or tongue

Description

Embryo fetal anomalies affecting structure of maxillo-labial or mandibular tissues or the tongue.

Exclusions from above levels

  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Child codes

  • LA31.0 – Congenital macroglossia
  • LA31.1 – Hypoglossia or aglossia
  • LA31.2 – Ankyloglossia
  • LA31.3 – Macrostomia
  • LA31.4 – Microstomia
  • LA31.Y – Other specified structural developmental anomalies of mouth or tongue
  • LA31.Z – Structural developmental anomalies of mouth or tongue, unspecified

Sibling codes

  • LA30 – Structural developmental anomalies of teeth and periodontal tissues
  • LA50 – Congenital velopharyngeal incompetence
  • LA51 – Facial clefts
  • LA52 – Facial asymmetry
  • LA53 – Macrocheilia
  • LA54 – Microcheilia
  • LA55 – Compression facies
  • LA56 – Pierre Robin syndrome
  • LA5Y – Other specified structural developmental anomalies of the face
  • LA5Z – Structural developmental anomalies of the face, unspecified

Foundation entity

Structural developmental anomalies of mouth or tongue – http://id.who.int/icd/entity/1231509064

Allowed postcoordination axes

Part of: 20: Developmental anomalies